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284365226854901 is a prime number
BaseRepresentation
bin100000010101000001111000…
…0010101010100100111110101
31101021212001100120221100121102
41000222003300111110213311
5244233014441033324101
62444443325355055445
7113616465261462443
oct10052036025244765
91337761316840542
10284365226854901
118267568519a905
1227a87a77141585
13c2896ab331a4a
1450314c9783b93
1522d1ed36ac86b
hex102a0f05549f5

284365226854901 has 2 divisors, whose sum is σ = 284365226854902. Its totient is φ = 284365226854900.

The previous prime is 284365226854889. The next prime is 284365226854927. The reversal of 284365226854901 is 109458622563482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233803243471876 + 50561983383025 = 15290626^2 + 7110695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-284365226854901 is a prime.

It is a super-2 number, since 2×2843652268549012 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284365226854991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142182613427450 + 142182613427451.

It is an arithmetic number, because the mean of its divisors is an integer number (142182613427451).

Almost surely, 2284365226854901 is an apocalyptic number.

It is an amenable number.

284365226854901 is a deficient number, since it is larger than the sum of its proper divisors (1).

284365226854901 is an equidigital number, since it uses as much as digits as its factorization.

284365226854901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 199065600, while the sum is 65.

The spelling of 284365226854901 in words is "two hundred eighty-four trillion, three hundred sixty-five billion, two hundred twenty-six million, eight hundred fifty-four thousand, nine hundred one".